FR628665A - Improvements with rotary or percussion cutters intended for perforating stone and similar materials - Google Patents

Improvements with rotary or percussion cutters intended for perforating stone and similar materials

Info

Publication number
FR628665A
FR628665A FR628665DA FR628665A FR 628665 A FR628665 A FR 628665A FR 628665D A FR628665D A FR 628665DA FR 628665 A FR628665 A FR 628665A
Authority
FR
France
Prior art keywords
perforating
stone
rotary
similar materials
percussion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Thomas Lazenby
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HAND TOOLS Ltd
Original Assignee
HAND TOOLS Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HAND TOOLS Ltd filed Critical HAND TOOLS Ltd
Application granted granted Critical
Publication of FR628665A publication Critical patent/FR628665A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
    • B28D1/146—Tools therefor
FR628665D 1926-05-17 1927-02-07 Improvements with rotary or percussion cutters intended for perforating stone and similar materials Expired FR628665A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB628665X 1926-05-17

Publications (1)

Publication Number Publication Date
FR628665A true FR628665A (en) 1927-10-27

Family

ID=10488565

Family Applications (1)

Application Number Title Priority Date Filing Date
FR628665D Expired FR628665A (en) 1926-05-17 1927-02-07 Improvements with rotary or percussion cutters intended for perforating stone and similar materials

Country Status (1)

Country Link
FR (1) FR628665A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733943A (en) * 1956-02-07 nater
WO1998054436A1 (en) * 1997-05-30 1998-12-03 Hawera Probst Gmbh Drilling tool
US6213232B1 (en) * 1997-05-30 2001-04-10 Hawera Probst Gmbh Drilling tool helical shank formed from a polygonal profile bar
ES2390324A1 (en) * 2012-05-08 2012-11-12 Universidad Politécnica de Madrid Set of drills (Machine-translation by Google Translate, not legally binding)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733943A (en) * 1956-02-07 nater
WO1998054436A1 (en) * 1997-05-30 1998-12-03 Hawera Probst Gmbh Drilling tool
US6213232B1 (en) * 1997-05-30 2001-04-10 Hawera Probst Gmbh Drilling tool helical shank formed from a polygonal profile bar
ES2390324A1 (en) * 2012-05-08 2012-11-12 Universidad Politécnica de Madrid Set of drills (Machine-translation by Google Translate, not legally binding)

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